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相关概念视频

Gradually Varying Flow01:29

Gradually Varying Flow

90
Gradually varying flow (GVF) in open channels describes situations where water depth changes slowly along the channel due to factors like non-uniform bed slope, channel shape variations, or obstructions. This flow type occurs when the depth adjusts gradually to balance gravitational forces, shear forces, and energy requirements, resulting in a low rate of depth change.Characteristics of Gradually Varying FlowGVF is commonly observed in natural streams, rivers, and canals, where flow depth...
90

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相关实验视频

Updated: Jul 26, 2025

Swimming Performance Assessment in Fishes
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笔画的马兰戈尼游泳运动员

Seo Woo Song1,2, Sumin Lee3,4, Jun Kyu Choe5

  • 1Bio-MAX Institute, Seoul National University, Seoul, South Korea. seowoo313@snu.ac.kr.

Nature communications
|June 16, 2023
PubMed
概括

研究人员为机器人建造创造了笔画的马兰戈尼游泳者. 这些简单的,基于墨水的机器人执行复杂的编程任务,展示了先进的运动和导航能力.

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科学领域:

  • 机器人技术 机器人技术 机器人技术
  • 材料科学 材料科学 材料科学
  • 流体动力学 流体动力学

背景情况:

  • 笔画为适应性设计提供了一个直观而有创意的制造方法.
  • 微型游泳机器人具有各种应用的潜力,但通常需要复杂的制造.
  • 马兰戈尼效应驱动的游泳者为微型机器人提供了一个有前途的途径.

研究的目的:

  • 为了展示笔画在机器人构造中的应用.
  • 培养能够完成复杂的编程任务的画笔绘制的马兰戈尼游泳者.
  • 探索笔画的多功能性,用于创建自适应机器人系统.

主要方法:

  • 通过使用基于墨水的Marangoni燃料在基板上绘制Marangoni游泳器的制造.
  • 通过绘制图案的设计来编程复杂的机器人运动.
  • 游泳者与时间变化的基板进行多步任务的集成.

主要成果:

  • 用笔画画的游泳者表现出先进的机器人运动,包括多边形和星形轨迹.
  • 游泳者成功地通过迷宫环境进行了导航.
  • 通过与动态基板集成,实现了多步移动任务,例如货物交付和返回.

结论:

  • 笔绘提供了一种简单且易于使用的制造工艺,用于创建功能性的机器人游泳器.
  • 开发的基于笔的方法显著扩大了小型化游泳机器人的潜在应用.
  • 这种方法为简单和适应性机器人实现提供了新的机会.